M0818E1 ELECOM DEFT Trackball Mouse, Index Finger Type, Operation Confirmed. Elecom M-DT1DRBK Wireless Trackball Mouse, 8 Buttons, Index Finger Operation, 2.4GHz Wireless, DPI Switching, Tilt Wheel, OMRON Switch Equipped, Artificial Ruby Support Ball, High-Performance Optical Sensor, Black. The product has some scratches and dirt. Batteries are not included. Everything included is shown in the photos. Please understand that this is a used item before purchasing. Operation has been confirmed. ※Important ・If you are purchasing from Hokkaido, Okinawa, or other remote islands, please contact us in advance as we may need to change the shipping method. If you purchase without contacting us, we may have to cancel the order, so please confirm before purchasing. 【Request to Buyers】 Please refrain from purchasing if you are sensitive to minor imperfections. Everything in the photos is included. There may be slight differences between the color of the photos and the actual product due to lighting conditions, but please understand. We have checked the item visually, so there may be some overlooked areas. Please understand this before purchasing. Thank you very much★